02-26-2008, 09:42 AM
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Ye Olde Rocket Shoppe
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Join Date: Jun 2004
Location: Milwaukee, WI
Posts: 6,484
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Quote:
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Originally Posted by ghrocketman
The "oxidizer" was powdered Alum which when dissolved in water is an acid that reacts with the "fuel" Baking Soda to produce the CO2 that pressurizes & launches the rocket.
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Is it Alum? I thought it was maybe a powdered citric acid. |